September's new moon occurs on Sept. 21 and will partially eclipse the sun for skywatchers in the southern Pacific Ocean and ...

Tides come from a difference in gravity across an object. The force of gravity exerted by the Moon is about 4% stronger on the side of Earth that faces toward the Moon, compared to the opposite side ...

Because the Earth is doing the work of increasing the Moon's momentum, the Earth's rotation slows down in turn, as its ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases ...

In some regions, the moon and Venus will appear in close alignment, while in parts of Europe, Asia, and Africa, the moon will ...

An international research collaboration has used advanced computer simulations to investigate how faint radio signals from ...

Faint hydrogen signals from the cosmic Dark Ages may soon help determine the mass of dark matter particles. Simulations suggest future Moon-based observatories could distinguish between warm and cold ...

So the bottom line is that the gravity of the closer tidal bulge on the Earth is pulling the Moon forward, which increases ...

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

(Related reading: The impacts that gave us the Moon may explain why Earth has life today) ...

Discover five breathtaking destinations that mirror the Moon’s surface, from Jordan’s Wadi Rum to California’s Death Valley, ...